27368366809 has 4 divisors (see below), whose sum is σ = 31278133504. Its totient is φ = 23458600116.

The previous prime is 27368366801. The next prime is 27368366813. The reversal of 27368366809 is 90866386372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27368366809 - 2³ = 27368366801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27368366801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954883337 + ... + 1954883350.

It is an arithmetic number, because the mean of its divisors is an integer number (7819533376).

Almost surely, 2^27368366809 is an apocalyptic number.

It is an amenable number.

27368366809 is a deficient number, since it is larger than the sum of its proper divisors (3909766695).

27368366809 is an equidigital number, since it uses as much as digits as its factorization.

27368366809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909766694.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 27368366809 in words is "twenty-seven billion, three hundred sixty-eight million, three hundred sixty-six thousand, eight hundred nine".